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N. PETERS. Phonnmwmphur, wasmnuum. D. C.

UNITED STATES nPATnNr I 'rr'icr VILLIAM J. KELLEY, OF PITTSFIELD, ASSIGNOR TO THE SPRINGFIELD VOOD VORKIN G COMPANY, OF SPRINGFIELD, MASSACHUSETTS.

MOSE WOODEWORK.

PECIFICATION forming part of Letters Patent No; 392,810, dated November 13, 1888,.

Application filed July 19, 1888. Serial No. 279,720. (No model.)

To LZZ whom, it ma]] eolwewt:

Be it known that I, WILLIAM J. KELLEY, of Pittsfield, in the county of Berkshire and State of Massachusetts, have invented a new and useful Improvement in the Manufacture of Mosaic Vood-Work, of which the following is a full, clear, and exact description.

This invention relates to an improvement in the mode of forming a mosaic flooring or Wainscoting by first manufacturing composite strips having afacing of mosaic blocks, and then arranging such mosaie strips side by side upon the floor-base or wall in a manner to delineate the desired pattern.

This application relates more particularly to the mosaic strips as articles of manufacture, and to the mosaicfiooring or wainscotingformed thereform, and the invention, so far as this application is eoncernechconsists, primarily,of a mosaic strip, and, secondly, of a mosaic woodwork formed therefrom of novel form and construction, substantially as hereinafter particularly set forth, and as distinctly pointed out in the claims.

Reference is to be had to the accompanying drawings, forming a part of this specification, in which similar letters of reference iudicate corresponding parts in all the figures.

Figure 1 is a plan view of a composite slab for-med in the process of manufacturing my iniproved mosaic strips. Fig. 2 is an edge view of the said slab. Fig. 3 is a perspective view of one of the improved mosaicstrips made from the slab. Fig. a is a plan view of an improved mosaic fiooring formed from the said mosaic strips. Fig. 5 is a cross-section of the said fiooring on the line x x, Fig. 4.

In manufaeturingthe improved mosaic stri ps A, thus illustrated, thin slightly-fiexiblesheets, as B, are sawed from some soft wood-for example, pine-in such a manner that the grain will run lengthwise thereof, asindicated in Fig. 1, and upon each sheet B are placed together, side by side, a series of vari-colored hard-Wood facing-stri ps, G, the grain of successive ones of which is alternately crosswise of and in the direction of their length, in such a manner that the length of the strips O will be transverse to the grain of the wooden hacking-Sheet B. The bottoms only of the facing-strips are glued to the hacking-Sheet B, therespective abutting side faces, D, of the strips G being left wholly detached, but brought into the necessary close relation with each other,before the glueis dried, by lateral pressure suitably applied ,to the outside strips, O. The composite slab thus formed and illustrated in Figs. l and 2 is, when fully dried, sawed through on lines F transverse to the length of the facing-strips O,and thus parallel to the grain of the wooden hacking-Sheet B, in such a manner as to make the composite strips A of a width equal to that of the original facing-strips C, and each consisting of a backing-strip, G, having a longitudinal grain and a single succession of Vari-colored square facingbloeks, H, coincident in width therewith, having alternately a transverse and a longitudinal grain, their bottom faces firmly attached by the glue to the hacking-strips G, but their respective abutting faces I disunited.

In applying the composite strips A to the formation of a mosaic fiooring in the manner illustrated in Figs. 4 and 5, they are first run, like ordinary integral wooden strips, through a grooving machine, whereby longitudinal grooves are cut in the parts of their opposite side edges, formed by the corresponding edges of the series of facing-blocks H, and are then placed side by side on the door-base L in such a manner that each block H will adjoin other blocks H, having a reverse grain thereto, and also the desired pattern be delineated. The respective abutting grooved side edges of the composite strips A are connected by longitudinal splines M, which are blind-nailed in the grooves and to the floor-base L in a manner common in laying plain board flooring,so that the hacking-strips G, and hence the facingblocks H, will be immovably secured to the floor-base or wall,while the said facing-blocks will be free to expand and contract in either direetion independently of each other. The expansion or contraction being thus confined to each block, Warpng and opening of the facejoints will be prevcnted. This independence of the component blocks H is secured without the necessity of applying them singly to the floor-base, they being capable of being laid, as described, very readily and cheaply, and the stiffness of the wooden banking-strips G will IOO cause them to bridge sndden ineqnalities in the floor-base, while their slight natural flexibility will permit them to conform to gradnal variations in the level of the floor-base.

No claim is made in this application to the described process of manufacturing the mosaic strips, as the same is embodicd in a separate application filed by 1ne herewith.

I'Iaving thus. described my invcntion, what I clam as new7 and desire to secure by Letters Patent, is-

1. A mosaic flooring or wainscoting formed of a series of composite strips secured side by side to the floor-base or wall, each of said composite strips being' foi'nied of a hackingstrip of Wood and a close suecession of wooden facing-blocks glned at their bottoms to said hacking-strip, but wholly disunited at their respective abntting faees, and the respective abutting side edges of the composite strips bein g connected by spline and groove or kindred expansion-joints, snbstantially as shown and described.

2. As an improved article of manufacture, a mosaic strip formed of a slightly-flexible integral Wooden backing-strip and a single snecession of abutting facing-bloeks glued to said backing but detached from each other,and eoineident in width With the hacking strip, as and for the purpose specified.

VILLTAM .T KELLEY.

\Vitnesses:

.Tunis B. OARnoLL, J'. P. TTARDINCL 

